ow

2026-05-12 10:09:31 +08:00
1 parent 31fbe199c1
commit 1c0c83af5f
@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Security.Cryptography;
+using System.Web;
+
+namespace System
+{
+    public static class EncryptHelper
+    {
+        /// <summary>
+        /// AES秘钥(强烈要求.json自定义取出)
+        /// </summary>
+        private const string AesKey = "OwenItc-*&$%RTj3";
+
+        /// <summary>
+        /// AES偏移向量(强烈要求.json自定义取出)
+        /// </summary>
+        private const string AesIV = "*&^KJ8a-Tj3*&$%R";
+
+        public static string AesEncrypt(string toEncryptString)
+        {
+            return AesEncrypt(toEncryptString, AesKey, AesIV);
+        }
+     
+        /// <summary>
+        /// AES加密
+        /// </summary>
+        /// <param name="toEncryptString">待加密的明文</param>
+        /// <returns></returns>
+        public static string AesEncrypt(this string toEncryptString, string aesKey, string aesIV)
+        {
+            var rijndaelCipher = new RijndaelManaged
+            {
+                Mode = CipherMode.CBC,
+                Padding = PaddingMode.PKCS7,
+                KeySize = 128,
+                BlockSize = 128
+            };
+
+            var toEncryptBytes = Encoding.UTF8.GetBytes(toEncryptString);
+            var keyBytes = Encoding.UTF8.GetBytes(aesKey);
+            var ivBytes = Encoding.UTF8.GetBytes(aesIV);
+
+            rijndaelCipher.Key = keyBytes;
+            rijndaelCipher.IV = ivBytes;
+
+            ICryptoTransform transform = rijndaelCipher.CreateEncryptor();
+            byte[] cipherBytes = transform.TransformFinalBlock(toEncryptBytes, 0, toEncryptBytes.Length);
+            return Convert.ToBase64String(cipherBytes);
+        }
+
+        public static string AesDecrpt(string toDecrpt)
+        {
+            return AesDecrpt(toDecrpt, AesKey, AesIV);
+        }
+        /// <summary>
+        /// AES解密
+        /// </summary>
+        /// <param name="toDecrpt"></param>
+        /// <returns></returns>
+        public static string AesDecrpt(this string toDecrpt, string aesKey, string aesIV)
+        {
+            var key = Encoding.UTF8.GetBytes(aesKey);
+            var encryptedData = Convert.FromBase64String(toDecrpt);
+            var iv = Encoding.UTF8.GetBytes(aesIV);
+
+            var rDel = new RijndaelManaged
+            {
+                Key = key,
+                IV = iv,
+                Mode = CipherMode.CBC,
+                Padding = PaddingMode.PKCS7
+            };
+
+            var cTransform = rDel.CreateDecryptor();
+            var resultArray = cTransform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
+
+            return Encoding.UTF8.GetString(resultArray);
+        }
+
+        public static string UrlEncode(string toEncryptString)
+        {
+            if (string.IsNullOrEmpty(toEncryptString)) return null;
+            return HttpUtility.UrlEncode(AesEncrypt(toEncryptString), Encoding.UTF8);
+        }
+
+        public static string UrlDecode(string toEncryptString)
+        {
+            if (string.IsNullOrEmpty(toEncryptString)) return null;
+            return AesDecrpt(toEncryptString);
+        }
+
+        public static string Decode(string toEncryptString)
+        {
+            if (string.IsNullOrEmpty(toEncryptString)) return null;
+            return AesDecrpt(HttpUtility.UrlDecode(toEncryptString, Encoding.UTF8));
+        }
+
+        public static string GetMd5(this string source)
+        {
+            if (string.IsNullOrEmpty(source)) return null;
+
+            MD5 md = MD5.Create();
+
+            byte[] bytes = md.ComputeHash(System.Text.Encoding.UTF8.GetBytes(source));
+
+            string dec = null;
+
+            foreach (byte b in bytes)
+            {
+
+                dec += b.ToString("x2");
+
+            }
+
+            return dec;
+        }
+    }
+}
+